130 INDEX TO PART FIRST. 



Page 



Pork as a food, 195 



Potash and its value, .83, 352, 357 



Pork, amount of, in 100 pounds of corn, 132, 134, 135 



Pressure of sap, 221,224,230,231,242,247 



Propagation of the apple, . 344 



Proper angle of roofs of glass-houses 94, 95 



Proportion of gain in weight to weight of food given pigs, . . 132, 136, 197, 199 

 Pruning apple-trees, 347 



Quality of food given the cow affects quality of milk, . . . .19, 26, 29, 37 



Rennet, treatment of, . 24, 46 



Pcoot-crops and their cultivation, essay on, 110, 116 



Roots of plants, functions of, 209 



Roots of plants, lifting power of, . . . 223 



Ruta-bagas and then cultivation, 115, 116 



Salt marshes of Massachusetts, paper on, 328, 342, 403 



Sap, facts in relation to, 224, 225, 229, 230, 231, 242, 247, 259 



Soluble phosphoric acid, cost and value of, 387 



South Carolina phosphates and their value, 47, 50, 55, 64, 376 



Sperm and spermatozoa 155, 156, 157, 160, 166, 167 



Squash, lifting power of the 207, 208, 210, 219, 220 



Stassfurt potash-salts, analyses of, . 353, 354, 355 



Stockbridge, Prof. Levi, report by, 69, 80, 88 



Strong, Wm. C, lecture by, 88, 90, 104 



Sturtevant, Dr. E. L., essay by, 145, 150, 155, 165, 180, 192 



Sulphate of potash, value of, as a fertilizer, 358 



Superphosphate and its value, 383 



Swedish turnips for cows and horses, value of, 122, 123, 124 



Swine, essay on breeding and management of, 128, 135, 145 



Tables of record of sap-flow of different trees, ■ . . . . . 267 



Tables of- record of fluctuations of mercurial gauges, 273 



Taints in milk and their expulsion, 18, 19, 30, 31 



Texas cattle fever, ' 6, 313, 315 



Transplanting apple-trees, 346 



Trees and their life, 236, 240, 241, 247 



Turnips, cultivation and value of, 115, 116, 123, 124 



Udder, construction of the, 16, 17, 18 



Utilization of the heat of fermenting manures, 93, 94 



Value of manure from different foods, 139 



Value of pig-manure, 141 



Value of commercial fertilizers as sold, 83, 84, 352,, 361 



Water in the wood and bark of trees, percentage of, . s . . . 288 



Westfield, industries of, 8, 10 



Westneld, public meeting of the Board at, 6, 47, 128 



Winter gardening and glass structures, lecture on, 88, 90, 104 



Wood, formation of, in trees, .... 235, 236 



Yield of mangolds to the acre, ... , . . . , , . . 113 



